Journal Articles
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Item A comprehensive review on the use of hemp in concrete(Elsevier Ltd, 2022) Barbhuiya, S.; Das, B.B.A simple mixture of hemp hurd, water, and lime is used to make hemp concrete. It is indeed one of the few materials that can continue to absorb carbon after being employed in construction, storing more carbon in the atmosphere over the building's lifetime than was emitted during construction. Furthermore, hemp can be harvested in as little as 60 days. Hemp concrete is a “carbon-negative” or “better-than-zero-carbon” substance because the hemp plant absorbs more carbon from the atmosphere than it emits during its production and application on site. It is a bio-composite material that can be utilised as an alternative to concrete and standard insulation in building. Hemp concrete is also recyclable at the end of the building's lifespan. This study summarises the fast-developing body of knowledge about hemp concrete, which was recently developed. © 2022 Elsevier LtdItem A comprehensive review towards sustainable approaches on the processing and treatment of construction and demolition waste(Elsevier Ltd, 2023) Trivedi, S.; Snehal, K.; Das, B.B.; Barbhuiya, S.A massive boom in global construction has led to an enormous generation of construction and demolition (C&D) waste. C&D waste is the largest stream of waste, which needs to be treated and utilized efficiently for achieving sustainable goals. Multiple economical and valuable materials are embedded in C&D waste, most of these can be reused as construction materials. Ideally, these wastes are processed or treated near the demolition sites to ensure a constant supply of raw materials such as recycled aggregates for its use in the construction of roads, buildings, and urban landscapes. Several challenges are posed in the processing and treatment of C&D waste as a result of variable material properties as well as its bulky nature. From this point of view, this article presents a structured, comprehensive review of the existing literature on various tools and techniques for procuring recycled aggregates (RA) from C&D leftovers. The latest processing technologies, and subsequent treatment processes for recycled aggregates to make it suitable for further use in concrete is discussed and critically analyzed. Also, diverse approaches for treating the RA are evaluated critically with prime focus on removal of adhered mortar fractions and surface coating techniques. In addition, the modified mixing approach and its implementation in mix design for RA based concrete is emphasized. This article also covers the studies on recycled aggregate concrete at microstructural level, which include characterization techniques such as SEM-EDAX, XRD, FTIR and TGA. Emphasis is also given to embrace the deficiencies associated with RA concrete and improvement techniques for its inclusion in construction works. On the basis of the extensive review, it is understood that subjected to processing of the C&D debris, it yields useful recycled aggregates that can be incorporated into concrete up to an optimum percentage between 15 and 20%. Further, there is a requirement for specified pre-treatment methods that enhances the physio-chemical properties. Also, there is a necessity for the assimilation of mineral admixtures of micron, sub-micron to nano size for overcoming the shortcomings of recycled aggregates for the production of sustainable and high-performance concrete. © 2023 Elsevier LtdItem Molecular dynamics simulation in concrete research: A systematic review of techniques, models and future directions(Elsevier Ltd, 2023) Barbhuiya, S.; Das, B.B.This paper presents a comprehensive review of the application of molecular dynamics simulation in concrete research. The study addresses the background and significance of the topic, providing an overview of the principles, applications, and types of molecular dynamics simulation, with a particular focus on its role in enhancing the understanding of concrete properties. Moreover, it critically examines existing research studies that employ molecular dynamics simulation in concrete research, highlighting the associated benefits and limitations. The paper further investigates various simulation techniques and models employed in concrete research, offering a comparative analysis of their effectiveness. Additionally, the study explores future directions and identifies research needs in the field of molecular dynamics simulation in concrete, while also discussing the potential impact of this approach on the sustainability of the construction industry. By providing a comprehensive overview and critical analysis, this review serves as a valuable resource for researchers and practitioners interested in leveraging molecular dynamics simulation for advancing concrete science and engineering. © 2023 The Author(s)Item A review of multi-scale modelling of concrete deterioration: Fundamentals, techniques and perspectives(Elsevier Ltd, 2023) Barbhuiya, S.; Jivkov, A.; Das, B.B.The properties of concrete are degraded during service by coupled physical and chemical processes that operate at several length scales, and the prediction of its performance in engineering structures requires multi-physics, multi-scale modelling approaches. The aim of this paper is to provide a comprehensive overview of the current modelling techniques for analysis of concrete deterioration. The paper covers the fundamentals of modelling at several length scales, as well as the bridging/transition between scales, and the numerical methods based on continuum and discrete formulations appropriate to different scales. Considered are the key chemical and physical deterioration processes of carbonation, chloride ingress, freeze–thaw damage, and abrasion. The paper also reviews the validation and verification of multi-scale models and discusses future trends such as data science integration and sustainable concrete design. It is expected that the information presented here will be a valuable resource for researchers and practitioners in the field, highlighting advancements and stimulating future research in multi-scale modelling of concrete deterioration. © 2023 Elsevier LtdItem Properties, compatibility, environmental benefits and future directions of limestone calcined clay cement (LC3) concrete: A review(Elsevier Ltd, 2023) Barbhuiya, S.; Nepal, J.; Das, B.B.This review paper provides a comprehensive analysis of the production, properties and applications of Limestone Calcined Clay Cement (LC3). The paper begins with an introduction to LC3 and its importance in reducing carbon emissions in the cement industry. It then discusses the raw materials used in the production of LC3 and the properties of the material, including its hydration process and thermal and X-ray diffraction analysis. The properties of LC3 concrete, including fresh, mechanical and durability properties, are also examined. The compatibility of chemical admixtures with LC3 is explored, followed by a discussion on the environmental benefits of using LC3. The paper then assesses the economic feasibility and social acceptance of LC3 in the construction industry, along with its potential impact on local communities. Case studies are provided on LC3 concrete projects. The review concludes with a discussion of future directions and research needs, including recommendations for further innovation in production and scaling up LC3 production. The findings of this review paper suggest that LC3 has significant potential for reducing the carbon footprint of the cement industry while providing an economically viable and sustainable alternative to traditional cement materials. © 2023 Elsevier LtdItem Thermal energy storage in concrete: A comprehensive review on fundamentals, technology and sustainability(Elsevier Ltd, 2024) Barbhuiya, S.; Das, B.B.; Idrees, M.This comprehensive review paper delves into the advancements and applications of thermal energy storage (TES) in concrete. It covers the fundamental concepts of TES, delving into various storage systems, advantages, and challenges associated with the technology. The paper extensively explores the potential of concrete as a medium for thermal energy storage, analysing its properties and different storage methods. Additionally, it sheds light on the latest developments in concrete technology specifically geared towards thermal energy storage. The evaluation section discusses measurement techniques, experimental evaluations and performance metrics. Environmental and economic aspects, including sustainability and cost analysis, are thoughtfully addressed. The review concludes by underlining the significance of thermal energy storage in concrete, emphasizing its role in efficient energy management and the promotion of sustainable practices. © 2023 The AuthorsItem Cement-based solidification of nuclear waste: Mechanisms, formulations and regulatory considerations(Academic Press, 2024) Barbhuiya, S.; Das, B.B.; Qureshi, T.; Adak, D.This review paper provides a comprehensive analysis of cement-based solidification and immobilisation of nuclear waste. It covers various aspects including mechanisms, formulations, testing and regulatory considerations. The paper begins by emphasizing the importance of nuclear waste management and the associated challenges. It explores the mechanisms and principles in cement-based solidification, with a particular focus on the interaction between cement and nuclear waste components. Different formulation considerations are discussed, encompassing factors such as cement types, the role of additives and modifiers. The review paper also examines testing and characterisation methods used to assess the physical, chemical and mechanical properties of solidified waste forms. Then the paper addresses the regulatory considerations and compliance requirements for cement-based solidification. The paper concludes by critically elaborating on the current challenges, emerging trends and future research needs in the field. Overall, this review paper offers a comprehensive overview of cement-based solidification, providing valuable insights for researchers, practitioners and regulatory bodies involved in nuclear waste management. © 2024 The AuthorsItem A comprehensive review on integrating sustainable practices and circular economy principles in concrete industry(Academic Press, 2024) Barbhuiya, S.; Das, B.B.; Adak, D.This comprehensive review explores the integration of circular economy principles into the concrete industry, emphasizing their role in enhancing sustainability and resource efficiency. It covers the fundamental concepts of circular economy and examines the application of Life Cycle Assessment (LCA) in evaluating the environmental impacts of concrete production. The review highlights innovative strategies for recycling, reuse, waste reduction, and resource optimisation, showcasing how these approaches can transform concrete production practices. It also addresses the policy considerations, economic implications, and societal impacts associated with adopting circular economy practices. Furthermore, the review investigates recent technological advancements in circular concrete production, including self-healing concrete and 3D printing. By summarizing these findings and offering practical recommendations, the review aims to support the industry in transitioning towards more sustainable practices. This detailed analysis provides valuable insights into the benefits and challenges of circular economy adoption, helping stakeholders make informed decisions for a greener concrete sector. © 2024 The AuthorsItem Roadmap to a net-zero carbon cement sector: Strategies, innovations and policy imperatives(Academic Press, 2024) Barbhuiya, S.; Das, B.B.; Adak, D.The cement industry plays a significant role in global carbon emissions, underscoring the urgent need for measures to transition it toward a net-zero carbon footprint. This paper presents a detailed plan to this end, examining the current state of the cement sector, its carbon output, and the imperative for emission reduction. It delves into various low-CO2 technologies and emerging innovations such as alkali-activated cements, calcium looping, electrification, and bio-inspired materials. Economic and policy factors, including cost assessments and governmental regulations, are considered alongside challenges and potential solutions. Concluding with future prospects, the paper offers recommendations for policymakers, industry players, and researchers, highlighting the roadmap's critical role in achieving a carbon-neutral cement sector. © 2024 The Author(s)Item A Comprehensive Review on the Use of Wastewater in the Manufacturing of Concrete: Fostering Sustainability through Recycling(Multidisciplinary Digital Publishing Institute (MDPI), 2024) Maddikeari, M.; Das, B.B.; Tangadagi, R.B.; Roy, S.; Priyanka, P.B.; Ramachandra, M.L.The primary aim of this review article is to find the influence of wastewater and its characteristics on recycling as an alternative to potable water for concrete preparation. On the other hand, scarcity, and the demand for freshwater for drinking are also increasing day by day around the globe. About a billion tons of freshwater is consumed daily for concrete preparation for various operations such as mixing and curing, to name a few. The rapid development of certain industries such as textile, casting, stone cutting, and concrete production has caused the water supply to be severely affected. Recycling wastewater in concrete offers various potential benefits like resource conservation, environmental protection, cost savings, and enhanced sustainability. This article reviews the effect of various types of wastewater on various physical and chemical properties of wastewater, rheological characteristics, strength, durability, and microstructure properties of concrete. It also explores the potential effects of decomposing agents on enhancing concrete properties. Currently, limited research is available on the use of various types of wastewater in concrete. Hence, there is a need to develop various methods and procedures to ensure that the utilization of wastewater and treated wastewater is carried out in the production of concrete in a sustainable manner. Although wastewater can reduce the workability of fresh concrete, it can also increase its strength and long-term performance of concrete. The use of various types of wastewater, such as reclaimed water and tertiary-treated wastewater, was found to be superior compared to those using industrial- or secondary-treated wastewater. Researchers around the globe agree that wastewater can cause various detrimental effects on the mechanical and physical properties of concrete, but the reductions were not significant. To overcome limited scientific contributions, this article reviews all the available methods of using various types of wastewater to make concrete economically and environmentally friendly. This research also addresses possible challenges with respect to the demand for freshwater and the water crisis. © 2024 by the authors.